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本文叙述两套堆内三节串联热离子转换器的试验装置和试验结果,分析了串联转换器电输出特性曲线和输出电功率与热流量的曲线。发射极轴向温度分布和转换器输出电流的匹配对输出电功率有重要影响。最后讨论了势垒指数对输出电功率的关系,得出点火模型的最佳势垒指数的关系式,便于新转换器的设计。
This article describes the experimental setup and experimental results of two sets of three-in-line thermal ionizers in a stack. The curves of the electrical output characteristic of the series converter and the output electrical power and heat flux are analyzed. The matching of the emitter axial temperature distribution and the converter output current has a significant effect on the output electrical power. Finally, the relationship between the barrier index and the output power is discussed, and the relation of the best barrier index of the ignition model is obtained, which is convenient for the design of the new converter.